CA2197849C - Management-capable splice cassette - Google Patents
Management-capable splice cassette Download PDFInfo
- Publication number
- CA2197849C CA2197849C CA002197849A CA2197849A CA2197849C CA 2197849 C CA2197849 C CA 2197849C CA 002197849 A CA002197849 A CA 002197849A CA 2197849 A CA2197849 A CA 2197849A CA 2197849 C CA2197849 C CA 2197849C
- Authority
- CA
- Canada
- Prior art keywords
- management
- cassette
- carrier
- splice
- shells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4454—Cassettes with splices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Cable Accessories (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Telephonic Communication Services (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a management-capable splice cassette for telecommunications and data transfer, the cassette being adapted to receive carrier shells each capable of carrying two glass fibres, the cassette comprising a housing with cable connection means and a connected carrier. The carrier shells are connected to the carrier in a rotatable manner. The object of the invention is to develop a management-capable splice cassette that is exchangeable with other splice cassettes, that can in particular be inserted into prior-art splice casette housings in place of the conventional splice cassettes, and which ensures an available reserve length and a small constructional height as well as economical and simple handling. This object is achieved by having carrier shells that are disposed in at least two adjacent receiving portions of the splice cassette and stacked upon each other. Each of the carrier shells is rotatably supported in the cassette on one of their sides by a latch arrangement.
Description
219'~8~9 MANAGEMENT-CAPABLE SPLICE CASSETTE
The invention relates to a management-capable splice cassette for telecommunications and data transfer, in particular to a cassette adapted to receive carrier shells that are each capable of carrying two glass fibres.
In addition to conventional splice cassettes for up to twenty-four splices, which cassettes are accommodated in splice cassette housings and provide an adequate working length of switching and bundle wires, splice-receiving devices for holding a maximum of two splices have become known in the art - the so-called "single-circuit management".
Such splice-receiving devices designated "single-circuit management" are carrier shells for two glass fibres movably combined in a carrier as a unit. The application of such carriers is advantageous when high safety requirements are to be met by the connection to be switched. A rigid and controlled guiding of the fibres is obtained.
U.S. Patent 5,323,480 discloses a splice cassette comprising a housing with cable connection means for one or more glass fibres and a carrier, and also comprising a multitude of carrier shells. The carrier shells are rotatably connected at one end to the carrier. Each carrier shell can be moved between a stacked and a lifted position, in order to facilitate access to the carrier shells arranged underneath.
For guiding the fibres, flexible transportation sleeves are used that extend from the cable connection means to the carrier shells. In the first guiding section, which can be several metres long, a transportation sleeve having corresponding dimensions is slid over one of the bundle wires and guided up to the first distribution element. For example, if eight fibres are guided up to the first distribution element, they are there divided into four groups of two fibres each. Onto each group of two fibres a thinner transportation sleeve is slid for guiding the fibers over guiding grooves to the carrier shells.
In the carrier shells further guiding of the fibres is performed without the sleeves.
The invention relates to a management-capable splice cassette for telecommunications and data transfer, in particular to a cassette adapted to receive carrier shells that are each capable of carrying two glass fibres.
In addition to conventional splice cassettes for up to twenty-four splices, which cassettes are accommodated in splice cassette housings and provide an adequate working length of switching and bundle wires, splice-receiving devices for holding a maximum of two splices have become known in the art - the so-called "single-circuit management".
Such splice-receiving devices designated "single-circuit management" are carrier shells for two glass fibres movably combined in a carrier as a unit. The application of such carriers is advantageous when high safety requirements are to be met by the connection to be switched. A rigid and controlled guiding of the fibres is obtained.
U.S. Patent 5,323,480 discloses a splice cassette comprising a housing with cable connection means for one or more glass fibres and a carrier, and also comprising a multitude of carrier shells. The carrier shells are rotatably connected at one end to the carrier. Each carrier shell can be moved between a stacked and a lifted position, in order to facilitate access to the carrier shells arranged underneath.
For guiding the fibres, flexible transportation sleeves are used that extend from the cable connection means to the carrier shells. In the first guiding section, which can be several metres long, a transportation sleeve having corresponding dimensions is slid over one of the bundle wires and guided up to the first distribution element. For example, if eight fibres are guided up to the first distribution element, they are there divided into four groups of two fibres each. Onto each group of two fibres a thinner transportation sleeve is slid for guiding the fibers over guiding grooves to the carrier shells.
In the carrier shells further guiding of the fibres is performed without the sleeves.
This kind of splice cassette is difficult to handle, in particular for mounting at terminal distribution devices, due to the long guiding distances of the fibres and the necessity of sliding on the transportation sleeves. Preparation of the splicing process is expensive, inconvenient and difficult. Furthermore, no reserve lengths are available upon arrival at the splice workplace. The constructional height is always determined by the height of the carrier shells, irrespective of the number of carrier shells or of the connection positions.
It is therefore the object of the present invention to develop a management-capable splice cassette that is exchangeable with other splice cassettes, that can in particular be inserted into prior-art splice cassette housings in place of the conventional splice cassettes, and which ensures an available reserve length and a small constructional height as well as economical and simple handling.
According to the present invention there is provided a management-compatible splicing cassette for telecommunications and data technology for holding mounting shells for in each case a maximum of two splices of glass fibres, comprising a housing with line connecting means, for a group of conductors and a mount which is connected to the housing and to which the mounting shells are connected such that they can rotate. The housing is formed with at least two holders which are located alongside one another, with the mount with mounting shells stacked one above the other being arranged in each holder, with each of the mounting shells being mounted on one of its faces such that it can rotate into a latching position, with the external dimensions of the splicing cassette being chosen such that it can be accommodated in a splicing cassette housing of the type for a maximum of 24 splices.
Pivot points of the latch arrangement may be disposed in different planes for individual carrier shells. Latch devices may be provided on the management-capable splice cassette for snap-fitting the cassette into a receiving portion of a splice cassette housing which also has reserve length portions.
The outside dimensions of the splice cassette may be selected such that the splice cassette may be exchanged with splice cassettes of the type holding up to 24 splices. The carrier shells may have grip openings for handling of the shells.
Grip depressions may be provided on the splice cassette. The splice cassette may be adapted to be stacked upon or under other such cassettes. A cover may be provided on the splice cassette. A reserve length of glass fibres is secured between a splice position and a splice cassette housing.
Arranging the carrier shells in two adjacent receiving portions of the splice cassette, such that the points of rotation of the individual carrier shells are disposed on top of each other in different planes, permits shorter guiding lengths of the glass fibres and in particular always ensures in conjunction with splice cassette housings a sufficient reserve length for handling at a splice workplace.
Several splice cassettes (single-circuit management or carrier shells, respectively), capable of housing a maximum of two splices, can be accommodated in a conventional splice cassette housing (capable of housing a maximum of twenty-four splices) or as an exchange for such a splice cassette.
No insertion tool is required. There is also available for such splice cassettes a corresponding working length of wires.
The constructional height is considerably lower than when conventional carrier shells are stacked; the constructional height is not determined by the height, but by the thickness of the carrier shells or by the number of such shells in the stack. Mounting or handling is simple and uncomplicated, since no sleeves are needed to guide the bundle wires to the carrier shells.
Next, the invention will be described in more detail, based on an embodiment of a management-capable splice cassette disposed in a splice cassette housing and shown in the drawings, in which:
Figure 1 is a top view of a splice cassette housing with a management-capable splice cassette inserted and with carrier shells included in the cassette;
Figure 2 is a top view of the management-capable splice cassette and carrier shells of Figure 1;
Figure 3 is a side view sectional representation of the management capable splice cassette of Figure 2, showing one of the carrier shells in a folded-out position;
It is therefore the object of the present invention to develop a management-capable splice cassette that is exchangeable with other splice cassettes, that can in particular be inserted into prior-art splice cassette housings in place of the conventional splice cassettes, and which ensures an available reserve length and a small constructional height as well as economical and simple handling.
According to the present invention there is provided a management-compatible splicing cassette for telecommunications and data technology for holding mounting shells for in each case a maximum of two splices of glass fibres, comprising a housing with line connecting means, for a group of conductors and a mount which is connected to the housing and to which the mounting shells are connected such that they can rotate. The housing is formed with at least two holders which are located alongside one another, with the mount with mounting shells stacked one above the other being arranged in each holder, with each of the mounting shells being mounted on one of its faces such that it can rotate into a latching position, with the external dimensions of the splicing cassette being chosen such that it can be accommodated in a splicing cassette housing of the type for a maximum of 24 splices.
Pivot points of the latch arrangement may be disposed in different planes for individual carrier shells. Latch devices may be provided on the management-capable splice cassette for snap-fitting the cassette into a receiving portion of a splice cassette housing which also has reserve length portions.
The outside dimensions of the splice cassette may be selected such that the splice cassette may be exchanged with splice cassettes of the type holding up to 24 splices. The carrier shells may have grip openings for handling of the shells.
Grip depressions may be provided on the splice cassette. The splice cassette may be adapted to be stacked upon or under other such cassettes. A cover may be provided on the splice cassette. A reserve length of glass fibres is secured between a splice position and a splice cassette housing.
Arranging the carrier shells in two adjacent receiving portions of the splice cassette, such that the points of rotation of the individual carrier shells are disposed on top of each other in different planes, permits shorter guiding lengths of the glass fibres and in particular always ensures in conjunction with splice cassette housings a sufficient reserve length for handling at a splice workplace.
Several splice cassettes (single-circuit management or carrier shells, respectively), capable of housing a maximum of two splices, can be accommodated in a conventional splice cassette housing (capable of housing a maximum of twenty-four splices) or as an exchange for such a splice cassette.
No insertion tool is required. There is also available for such splice cassettes a corresponding working length of wires.
The constructional height is considerably lower than when conventional carrier shells are stacked; the constructional height is not determined by the height, but by the thickness of the carrier shells or by the number of such shells in the stack. Mounting or handling is simple and uncomplicated, since no sleeves are needed to guide the bundle wires to the carrier shells.
Next, the invention will be described in more detail, based on an embodiment of a management-capable splice cassette disposed in a splice cassette housing and shown in the drawings, in which:
Figure 1 is a top view of a splice cassette housing with a management-capable splice cassette inserted and with carrier shells included in the cassette;
Figure 2 is a top view of the management-capable splice cassette and carrier shells of Figure 1;
Figure 3 is a side view sectional representation of the management capable splice cassette of Figure 2, showing one of the carrier shells in a folded-out position;
Figure 4 is a top view of the management-capable splice cassette of Figure 1; and, Figure 5 is a top view of a carrier shell for two glass fibres, the shell being insertable into the splice cassette of Figure 4.
Figure 1 shows in a top view a splice cassette housing 9 with guiding portions 10 for reserve lengths, wherein a management-capable splice cassette 1 is inserted over latch devices 8.
Management-capable splice cassette 1 comprises cable connection means 4 and grip depressions 12. In splice cassette 1 are accommodated adjacent carrier shells 2 having corresponding splices 14 for two glass fibres each. Carrier shells 2 are provided with grip openings 11, facilitating movement of carrier shells 2 on pivot points 13 into a latch position 7 (Figure 3). In the present example, six carrier shells 2 for housing a maximum of twelve glass fibres 17 are included in splice cassette 1 (Figure 3).
Splice cassette 1 of Figure 2 comprises a housing 3 where carrier shells 2 are inserted. Figure 2 shows the arrangement of splices 14 and pivot points 13 of inserted carrier shells 2, without showing glass fibres 17 inserted in the fibre guiding portions. Splice cassette 1 can in this embodiment also be used without splice cassette housing 9 of Figure 1, for example in 19" units. It is useful in some cases to provide cassette 1 with a (not shown) cover.
Figure 3 shows, in a sectional representation, carrier shells 2 inserted in splice cassette 1, one of said carrier shells 2 being rotated into the latch position 7, so that a carrier shell 2 arranged underneath is freely accessible.
The pivot points 13 of individual carrier shells 2 are disposed in different planes.
Figure 4 shows the top view of the housing 3, without inserted carrier shells 2. Housing 3 has receiving portions 6 for carrier shells 2, and has two carriers 5 for rotatably connecting carrier shells 2 to housing 3. Further, cable connection means 4 and grip depressions 12 are shown. Carriers 5, together with pin elements 15 (Figure 5) of the respective carrier shell 2, form the respective pivot points 13 for carrier shell 2. A latch element 19 on carrier 5 permits latching-in of carrier shells 2.
In Figure 5 is shown the top view of a carrier shell 2 with splices 14, and with pin elements 15 for rotatable support of carrier shell 2 on carrier 5 (Figure 4), and also comprising grip openings 11 and hold-down devices 16.
Complementary latch element 18 acts together with latch element 19 (Figure 4) 5 on carrier 5 to secure latching-in of carrier shell 2 to the latch position 7 (Figure 3).
According to the present invention, it is possible according to Figure 1 to guide for example a bundle wire 20, with twelve glass fibres 17 in cut condition, up to cable connection means 4, that is up to the entry of splice cassette 1. Only at that point is the jacket of bundle wire 20 removed, and the twelve glass fibres 17 guided in guiding portions up to the entry of one of carrier shells 2, said entry being near to the pivot point 13 of carrier shell 2. Into each of the six carrier shells 2 are inserted two glass fibres 17 which are connected over splices 14 to switching fibres 22. Switching fibres 22 are also guided up to cable connection means 4, at the exit of splice cassette 1 and within splice cassette 1, without an outside jacket and are then within the conventional jacket in the guiding portions.
Figure 1 shows in a top view a splice cassette housing 9 with guiding portions 10 for reserve lengths, wherein a management-capable splice cassette 1 is inserted over latch devices 8.
Management-capable splice cassette 1 comprises cable connection means 4 and grip depressions 12. In splice cassette 1 are accommodated adjacent carrier shells 2 having corresponding splices 14 for two glass fibres each. Carrier shells 2 are provided with grip openings 11, facilitating movement of carrier shells 2 on pivot points 13 into a latch position 7 (Figure 3). In the present example, six carrier shells 2 for housing a maximum of twelve glass fibres 17 are included in splice cassette 1 (Figure 3).
Splice cassette 1 of Figure 2 comprises a housing 3 where carrier shells 2 are inserted. Figure 2 shows the arrangement of splices 14 and pivot points 13 of inserted carrier shells 2, without showing glass fibres 17 inserted in the fibre guiding portions. Splice cassette 1 can in this embodiment also be used without splice cassette housing 9 of Figure 1, for example in 19" units. It is useful in some cases to provide cassette 1 with a (not shown) cover.
Figure 3 shows, in a sectional representation, carrier shells 2 inserted in splice cassette 1, one of said carrier shells 2 being rotated into the latch position 7, so that a carrier shell 2 arranged underneath is freely accessible.
The pivot points 13 of individual carrier shells 2 are disposed in different planes.
Figure 4 shows the top view of the housing 3, without inserted carrier shells 2. Housing 3 has receiving portions 6 for carrier shells 2, and has two carriers 5 for rotatably connecting carrier shells 2 to housing 3. Further, cable connection means 4 and grip depressions 12 are shown. Carriers 5, together with pin elements 15 (Figure 5) of the respective carrier shell 2, form the respective pivot points 13 for carrier shell 2. A latch element 19 on carrier 5 permits latching-in of carrier shells 2.
In Figure 5 is shown the top view of a carrier shell 2 with splices 14, and with pin elements 15 for rotatable support of carrier shell 2 on carrier 5 (Figure 4), and also comprising grip openings 11 and hold-down devices 16.
Complementary latch element 18 acts together with latch element 19 (Figure 4) 5 on carrier 5 to secure latching-in of carrier shell 2 to the latch position 7 (Figure 3).
According to the present invention, it is possible according to Figure 1 to guide for example a bundle wire 20, with twelve glass fibres 17 in cut condition, up to cable connection means 4, that is up to the entry of splice cassette 1. Only at that point is the jacket of bundle wire 20 removed, and the twelve glass fibres 17 guided in guiding portions up to the entry of one of carrier shells 2, said entry being near to the pivot point 13 of carrier shell 2. Into each of the six carrier shells 2 are inserted two glass fibres 17 which are connected over splices 14 to switching fibres 22. Switching fibres 22 are also guided up to cable connection means 4, at the exit of splice cassette 1 and within splice cassette 1, without an outside jacket and are then within the conventional jacket in the guiding portions.
Claims (8)
1. A management-compatible splicing cassette for telecommunications and data technology, for holding mounting shells for in each case a maximum of two splices of glass fibres, comprising a housing with line connecting means, for a group of conductors, and a mount which is connected to the housing and to which the mounting shells are connected such that they can rotate, wherein the housing is formed with at least two holders which are located alongside one another, with the mount with mounting shells stacked one above the other being arranged in each holder, with each of the mounting shells being mounted on one of its faces such that it can rotate into a latching position, with the external dimensions of the splicing cassette being chosen such that it can be accommodated in a splicing cassette housing of the type for a maximum of 24 splices.
2. A management-compatible splicing cassette according to claim 1, wherein latching apparatuses are provided for latching into holders in splicing cassette housings with guides for spare lengths.
3. A management-compatible splicing cassette according to claim 1, wherein the mounting shells have grip openings.
4. A management-compatible splicing cassette according to any one of claims 1 to 3, wherein grip depressions are provided.
5. A management-compatible splicing cassette according to any one of claims 1 to 4, wherein two or more management-compatible splicing cassettes are stacked one on top of the other.
6. A management-compatible splicing cassette according to any one of claims 1 to 5, wherein a cover is provided.
7 7. A management-compatible splicing cassette according to any one of claims 1 to 6, wherein a spare length of the glass fibres is ensured between a splicing location and the splicing cassette housing.
8. A management-compatible splicing cassette according to any one of claims 1 to 7, wherein rotation points of the individual mounting shells are arranged on different planes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19611770A DE19611770C2 (en) | 1996-03-14 | 1996-03-14 | Manageable splice cassette |
| DE19611770.4 | 1996-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2197849A1 CA2197849A1 (en) | 1997-09-15 |
| CA2197849C true CA2197849C (en) | 2005-04-19 |
Family
ID=7789366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002197849A Expired - Fee Related CA2197849C (en) | 1996-03-14 | 1997-02-18 | Management-capable splice cassette |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US5917984A (en) |
| EP (1) | EP0795768A3 (en) |
| JP (1) | JPH1090528A (en) |
| KR (1) | KR100444288B1 (en) |
| CN (1) | CN1105931C (en) |
| AR (1) | AR006102A1 (en) |
| AU (1) | AU711641B2 (en) |
| BR (1) | BR9701303A (en) |
| CA (1) | CA2197849C (en) |
| CO (1) | CO4650242A1 (en) |
| DE (1) | DE19611770C2 (en) |
| HK (1) | HK1004425A1 (en) |
| ID (1) | ID16234A (en) |
| IN (1) | IN190447B (en) |
| PL (1) | PL183649B1 (en) |
| RU (1) | RU2190867C2 (en) |
| TR (1) | TR199700129A2 (en) |
| UA (1) | UA48144C2 (en) |
| ZA (1) | ZA972222B (en) |
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| US5249252A (en) * | 1992-08-31 | 1993-09-28 | Alcatel Network Systems, Inc. | Optical fiber splice tray with cable tray hinge |
| US5323480A (en) * | 1992-11-25 | 1994-06-21 | Raychem Corporation | Fiber optic splice closure |
| GB9302199D0 (en) * | 1993-02-04 | 1993-03-24 | Bowthorpe Plc | Obtical fibre splitter or combiner module |
| GB9306854D0 (en) * | 1993-04-01 | 1993-05-26 | Raychem Sa Nv | Optical fibre organizer |
| US5479553A (en) * | 1993-04-19 | 1995-12-26 | Raychem Corporation | Fiber optic splice closure |
| US5668911A (en) * | 1996-07-11 | 1997-09-16 | Northern Telecom Limited | Storage holders for optical fibers |
-
1996
- 1996-03-14 DE DE19611770A patent/DE19611770C2/en not_active Expired - Fee Related
-
1997
- 1997-01-28 EP EP97101253A patent/EP0795768A3/en not_active Withdrawn
- 1997-02-03 IN IN195CA1997 patent/IN190447B/en unknown
- 1997-02-03 AU AU12448/97A patent/AU711641B2/en not_active Ceased
- 1997-02-14 CO CO97007790A patent/CO4650242A1/en unknown
- 1997-02-18 CA CA002197849A patent/CA2197849C/en not_active Expired - Fee Related
- 1997-03-03 TR TR97/00129A patent/TR199700129A2/en unknown
- 1997-03-05 AR ARP970100866A patent/AR006102A1/en active IP Right Grant
- 1997-03-06 PL PL97318825A patent/PL183649B1/en not_active IP Right Cessation
- 1997-03-10 US US08/814,630 patent/US5917984A/en not_active Expired - Lifetime
- 1997-03-11 UA UA97031094A patent/UA48144C2/en unknown
- 1997-03-13 RU RU97103627/28A patent/RU2190867C2/en not_active IP Right Cessation
- 1997-03-13 ID IDP970797A patent/ID16234A/en unknown
- 1997-03-13 JP JP9059187A patent/JPH1090528A/en active Pending
- 1997-03-14 ZA ZA972222A patent/ZA972222B/en unknown
- 1997-03-14 BR BR9701303A patent/BR9701303A/en not_active Application Discontinuation
- 1997-03-14 CN CN97104528A patent/CN1105931C/en not_active Expired - Fee Related
- 1997-03-14 KR KR1019970008692A patent/KR100444288B1/en not_active IP Right Cessation
-
1998
- 1998-05-01 HK HK98103753A patent/HK1004425A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK1004425A1 (en) | 1998-11-27 |
| CN1105931C (en) | 2003-04-16 |
| CO4650242A1 (en) | 1998-09-03 |
| US5917984A (en) | 1999-06-29 |
| ID16234A (en) | 1997-09-11 |
| AU1244897A (en) | 1997-09-18 |
| EP0795768A2 (en) | 1997-09-17 |
| AU711641B2 (en) | 1999-10-21 |
| UA48144C2 (en) | 2002-08-15 |
| KR970066618A (en) | 1997-10-13 |
| ZA972222B (en) | 1998-11-03 |
| IN190447B (en) | 2003-07-26 |
| CA2197849A1 (en) | 1997-09-15 |
| KR100444288B1 (en) | 2004-12-03 |
| MX9701910A (en) | 1997-09-30 |
| JPH1090528A (en) | 1998-04-10 |
| PL318825A1 (en) | 1997-09-15 |
| DE19611770C2 (en) | 1998-04-09 |
| RU2190867C2 (en) | 2002-10-10 |
| BR9701303A (en) | 1998-08-11 |
| AR006102A1 (en) | 1999-08-11 |
| PL183649B1 (en) | 2002-06-28 |
| TR199700129A2 (en) | 1997-10-21 |
| CN1164655A (en) | 1997-11-12 |
| DE19611770A1 (en) | 1997-09-18 |
| EP0795768A3 (en) | 1998-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |